When you see a girl (or picture) so amazing that you just want to drop your shorts and get to work on that badboy.
Ugh dude this picture is sooo faptastic
the sexual appeal and appearance of an individual
"Dude, check out those curves in that tiny outfit. She's faptastic, man."
Describing anything or anyone that is attractive enough to fap to.
Dude, Jessica Alba is so Faptastic!
Something that is so amazing that requires you to fap.
Wow, that was faptastical!
Faptastic is a word used to describe a picture or video that includes an attractive woman to whom you could fap to; however, said woman may not be blatantly revealing. Cleavage is fine. Very fine.
Faptastic can also refer directly to the woman that is in the picture or video.
Guy 1: "I wish Jessica Alba would take her clothes off for the camera sometime."
Guy 2: "Meh, she's got plenty of faptastic pics and vids."
An expression used to point out how fantastically fap worthy someone, something or some event is
John: Dude! You can totally see Maria's nipples through that shirt
Bob: OMG! That's faptastic!
when something is so sexy you want to fap to it.
''I am faptastic!''
''Good for you''